Finding the Fourth Proportional to 2,517.86, 3,774.35 and 957.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517.86 : 3,774.35 = 957.42 : x
2. Step 2: Convert to fraction form
   2,517.86/3,774.35 = 957.42/x
3. Step 3: Cross multiply
   2,517.86x = 3,774.35 × 957.42
4. Step 4: Simplify right side
   2,517.86x = 3,613,635.19
5. Step 5: Solve for x
   x = 3,613,635.19/2,517.86
6. Step 6: Final answer
   x = 1,435.20